package threading;
//演示线程安全问题
/**
 * Created with IntelliJ IDEA.
 * Description:
 * User: WHY
 * Date: 2022-09-13
 * Time: 9:25
 */
class Counter{
    public int  count;
    public  synchronized   void increase(){
        count++;
    }
}
public class demo14 {
    private static  Counter counter=new Counter();
    public static void main(String[] args) throws InterruptedException {
        Thread t1=new Thread(()->{
            for(int i=0;i<50000;i++){
                counter.increase();
            }
        });
        Thread t2=new Thread(()->{
            for(int i=0;i<50000;i++){
                counter.increase();
            }
        });
        t1.start();
        t2.start();
        t1.join();
        t2.join();
        System.out.println("counter:"+counter.count);

    }
}
